| 摘要 |
Device making it possible to impart a false twist by friction to at least one yarn. It comprises two belts 1-2 inclined relative to one another and mounted on supports making it possible to modify their inclination, each of these belts 1-2 being driven by friction between a caster 10-11 fixed to one of the supporting rollers 5-7 of each belt, a drive member 9 having the form of a volume of revolution, the generatrix of which is a curve centred on the pivot axis XX of the two belts in relation to one another. <IMAGE>
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